1840037472 has 480 divisors, whose sum is σ = 6915585600. Its totient is φ = 466808832.

The previous prime is 1840037461. The next prime is 1840037473. The reversal of 1840037472 is 2747300481.

It is a happy number.

1840037472 is a `hidden beast` number, since 184 + 0 + 0 + 3 + 7 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840037473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6840154 + ... + 6840422.

It is an arithmetic number, because the mean of its divisors is an integer number (14407470).

Almost surely, 2^1840037472 is an apocalyptic number.

1840037472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840037472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457792800).

1840037472 is an abundant number, since it is smaller than the sum of its proper divisors (5075548128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1840037472 is a wasteful number, since it uses less digits than its factorization.

1840037472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1840037472 is about 42895.6579620828. The cubic root of 1840037472 is about 1225.3934534008.

The spelling of 1840037472 in words is "one billion, eight hundred forty million, thirty-seven thousand, four hundred seventy-two".